How can I perform preprocessing in this image
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would like to perform a pre-processing in the following image I'm quite difficult to do this, someone can help me.The image quite gray and would isolate the digital fingerprint background noise, sorry my mistake, I only want to save the fingerprint, remove everything else into the picture.
Image Analyst on 22 May 2015
Looks like you need to do some research first for algorithms before you start coding. You can start here http://www.csse.uwa.edu.au/~pk/Research/MatlabFns/#fingerprints